Mimi Michaels

The BAU profiles an entire community when three college athletes disappear on the night of a pep rally, and JJ is crucial in moving the case forward.

A woman voices her anger about her son's murder and Danny reinvestigates the case; Eddie is shot on duty; Erin faces off against her ex-husband in court; Frank goes head-to-head with an angry police force.

When a skull and decomposed hands are discovered in a dumpster, the team begins a search to find the rest of the victim's remains. Brennan agrees to appear on a kid's science show.

When the team discovers a connection between a new murder and a serial killer, Grissom secretly joins the class of a criminal pathologist to help crack the case.

Grissom announces that he is leaving, which surprises and saddens the team; Dr Raymond Langston may take a permanent position in the group.

The team looks into a violent crew that is stealing drugs from pharmaceutical delivery trucks, and the case tests Upton and Ruzek's relationship.